Improve error handling and parsing a little

lib/game.dart

@@ -1,7 +1,6 @@
 import 'package:gamer_updater/db.dart';
 import 'package:gamer_updater/utils.dart';
 import 'package:http/http.dart' as http;
-import 'package:dart_rss/dart_rss.dart';
 
 class Game {
   final String name;
@@ -33,31 +32,29 @@ class Game {
   }
 
   Future<void> updateActualVersion() async {
-    final response = await http.get(Uri.parse(rssFeedUrl));
-    final document = RssFeed.parse(response.body);
-    final pages = document.items;
-    pages.sort((a, b) {
-      var lhs = parseRfc822Date(a.pubDate!);
-      var rhs = parseRfc822Date(b.pubDate!);
-      return rhs.compareTo(lhs);
-    });
-    final versions =
-        pages
-            .map(
-              (e) =>
-                  _internalVersionRegex.firstMatch(e.title!)?.group(1)?.trim(),
-            )
-            .toList();
-
-    for (int i = 0; i < versions.length; i++) {
-      final version = versions[i];
-      final page = pages[i];
-      if (version != null) {
-        actualVersion = version;
-        lastUpdated = parseRfc822Date(page.pubDate!).toIso8601String();
-        break;
-      }
+    if (rssFeedUrl.isEmpty) {
+      throw Exception('No rss feed url for $name');
     }
+    final response = await http.get(Uri.parse(rssFeedUrl));
+    if (response.statusCode != 200) {
+      throw Exception(
+        'Failed to update actual version for $name, rss responded with ${response.statusCode}',
+      );
+    }
+    final body = response.body;
+    final match = _internalVersionRegex.firstMatch(body);
+    if (match == null || match.groupCount == 0) {
+      throw Exception('No version found for $name');
+    }
+    final version = match.group(1);
+    if (version == null) {
+      throw Exception('No version found for $name');
+    }
+    actualVersion = version;
+    lastUpdated =
+        parseRfc822Date(
+          response.headers['last-modified'] ?? '',
+        ).toIso8601String();
   }
 }
 

lib/utils.dart

@@ -27,21 +27,8 @@ DateTime parseRfc822Date(String date) {
   final minute = int.parse(timeParts[1]);
   final second = int.parse(timeParts[2]);
 
-  // Handle the timezone offset
-  final timezone = parts[5];
-  final isNegative = timezone.startsWith('-');
-  final tzHours = int.parse(timezone.substring(1, 3));
-  final tzMinutes = int.parse(timezone.substring(3, 5));
-
   // Create the DateTime object
   DateTime dateTime = DateTime(year, month, day, hour, minute, second);
 
-  // Adjust for timezone
-  if (isNegative) {
-    dateTime = dateTime.subtract(Duration(hours: tzHours, minutes: tzMinutes));
-  } else {
-    dateTime = dateTime.add(Duration(hours: tzHours, minutes: tzMinutes));
-  }
-
   return dateTime;
 }

lib/widgets/game_card.dart

@@ -106,7 +106,15 @@ class _GameCardState extends State<GameCard>
     _controller.repeat();
 
     final updatedGame = widget.game;
-    await updatedGame.updateActualVersion();
+    try {
+      await updatedGame.updateActualVersion();
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(
+          context,
+        ).showSnackBar(SnackBar(content: Text(e.toString())));
+      }
+    }
     widget.onGameUpdated(updatedGame);
 
     _controller.stop();